Analysis Sound using R

2016-08-27

Taiwan R User Group / MLDM Monday

http://www.meetup.com/Taiwan-R

Introduction to R

R：

R was created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand. The initial version or R released in 1994 and a stable beta version in 2000.

https://www.stat.auckland.ac.nz/S-Workshop/

https://en.wikipedia.org/wiki/R_(programming_language)

R:

What is R?

R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. There are some important differences, but much code written for S runs unaltered under R. https://www.r-project.org/about.html

R:getting popular

TIOBE Index for August 2016

R:getting popular

TIOBE Index for August 2016: The R Programming Language

R for enterprise:

Revolution Analytics

Revolution Analytics: a 5-minute history

R User Group Sponsorship Program: RevoRUGS

User Groups and R Awareness , May 19, 2016

R for enterprise:

MS CEO Satya Nadella proclaimed Microsoft loves Linux

R for enterprise:

　　　Revolution R Open 　　　　==> 　　　　Microsoft R Open

R packages and references website:

The Comprehensive R Archive Network

Microsoft R Application Network

Introduction to Sound

Sound：Wave

https://en.wikipedia.org/wiki/Waveform

Sound:

Fourier series https://en.wikipedia.org/wiki/Square_wave https://en.wikipedia.org/wiki/Fourier_series https://commons.wikimedia.org/wiki/File:Fourier_series_square_wave_circles_animation.gif

Sound:

Frequency,

or its inverse, the Wavelength

https://en.wikipedia.org/wiki/Sound

Sound:

Frequency, or its inverse, the Wavelength

Amplitude

https://en.wikipedia.org/wiki/Sound

Sound:

Frequency, or the Wavelength

Amplitude

Sound pressure / Intensity

http://exp.rockfon.com/performance/acoustics/what+determines+room+acoustics-c7-/sound+pressure+level

Sound:

Frequency, or the Wavelength

Amplitude

Sound pressure / Intensity

Speed of sound = 340.29 m/s

http://physics.stackexchange.com/questions/142098/speed-of-sound-and-break-the-sound-barrier

Sound:

Frequency, or the Wavelength

Amplitude

Sound pressure / Intensity

Speed of sound

Direction

http://www.illusonic.com/dereverberation/

Sound:

http://www.tpuser.idv.tw/wp/?p=1030

Introduction to Sound Analysis

Why

會學你說話的萌萌小倉鼠 - 要成為一位教宗不是那麼簡單的事情!! | 安啾 (ゝ∀･) ♡

Why

【木下ゆうか】「今日はね！」を１年分まとめてみた

Digital Sound format

WAVE PCM soundfile format

The WAVE file format is a subset of Microsoft's RIFF specification for the storage of multimedia files.

Sound format

Simple Rate:

https://en.wikipedia.org/wiki/Sampling_(signal_processing)

Sound format

　　　　　2 bit　　　　　　　　<==> 　　　　　　　3 bit　　

https://en.wikipedia.org/wiki/Quantization_(signal_processing)

Sound analysis

tuneR: Analysis of music and speech

https://cran.r-project.org/web/packages/tuneR/index.html

Sound analysis

seewave: Sound Analysis and Synthesis

http://rug.mnhn.fr/seewave/ https://cran.r-project.org/web/packages/seewave/index.html

Sound analysis

Intro to Sound Analysis with R, By Tal Galili, January 27, 2016

https://www.r-bloggers.com/intro-to-sound-analysis-with-r/

Sound analysis

Difference between two time waves

Q & A

Repect, Diversity

Repect, Diversity

PyConAPAC 2016 Korea / 파이콘 APAC 2016